Features: Quality silicone, protect the feeding bottle from easy breakage and prevent accidents from occurring. Stable and large base, compact handle, round and easy to grip. Bottle sleeve with grip handle for better fall prevention effect, avoiding scratches and abrasions. Suitable for infants and toddler who are bottle fed, especially those little adventurers prone to dropping or bumping their bottles. Great for use at home, in daycare, or travel, effectively reducing the risk of bottle damages. Specifications: Component: Silicone Craft: Anti-fall design Parameters: Suitable for Dr. Brown glass baby bottles Size: 120ml S 10x10.5cm/3.9x4.1inch, 250ml L 14x12cm/5.5x4.7inch Color: refer pictures to selection please Quantity: 4pcs/set Practicality: Protects the bottle from breaking, provide excellent anti-slip grip, suitable for daily use and carrying out, ensuring that the bottle is safe and easy to clean Package Includes: 4Pcs Silicone Bottle Sleeve note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.